Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	21.91	22.25	21.91	22.11	129,727	+0.03(+0.12%)
Apr 28, 2011	21.81	22.15	21.79	22.09	249,166	+0.29(+1.34%)
Apr 27, 2011	21.47	21.83	21.47	21.79	159,056	+0.30(+1.39%)
Apr 26, 2011	21.33	21.56	21.32	21.50	310,926	+0.15(+0.68%)
Apr 25, 2011	21.32	21.40	21.25	21.35	204,970	+0.11(+0.51%)
Apr 21, 2011	21.18	21.29	21.03	21.24	187,505	+0.11(+0.54%)
Apr 20, 2011	21.07	21.31	21.04	21.13	180,083	+0.13(+0.63%)
Apr 19, 2011	20.90	21.02	20.89	21.00	98,433	+0.04(+0.21%)
Apr 18, 2011	20.89	20.96	20.74	20.95	87,729	-0.05(-0.24%)
Apr 15, 2011	20.89	21.05	20.75	21.00	132,050	+0.08(+0.36%)
Apr 14, 2011	20.80	20.95	20.77	20.93	111,986	+0.06(+0.30%)
Apr 13, 2011	20.79	21.03	20.79	20.86	133,796	+0.06(+0.30%)
Apr 12, 2011	20.77	20.80	20.42	20.80	200,338	-0.01(-0.03%)
Apr 11, 2011	20.95	20.96	20.77	20.81	95,574	-0.08(-0.39%)
Apr 08, 2011	20.94	20.96	20.82	20.89	92,397	-0.04(-0.18%)
Apr 07, 2011	20.86	20.98	20.74	20.93	152,455	+0.07(+0.33%)
Apr 06, 2011	20.86	21.03	20.82	20.86	99,834	-0.01(-0.06%)
Apr 05, 2011	20.80	20.90	20.80	20.87	93,280	-0.01(-0.06%)
Apr 04, 2011	20.79	20.93	20.79	20.88	106,966	+0.01(+0.03%)
Apr 01, 2011	20.90	20.93	20.79	20.88	117,862	+0.03(+0.15%)
Mar 31, 2011	20.55	20.93	20.51	20.84	159,108	+0.30(+1.48%)
Mar 30, 2011	20.64	20.79	20.44	20.54	170,164	-0.06(-0.28%)
Mar 29, 2011	20.70	20.74	20.53	20.60	84,518	-0.14(-0.67%)
Mar 28, 2011	20.67	20.95	20.67	20.74	160,097	+0.04(+0.18%)
Mar 25, 2011	20.62	20.81	20.49	20.70	90,563	+0.16(+0.80%)
Mar 24, 2011	20.25	20.53	20.25	20.53	114,616	+0.30(+1.47%)
Mar 23, 2011	20.32	20.36	20.19	20.23	157,930	-0.08(-0.41%)
Mar 22, 2011	20.13	20.34	20.13	20.32	149,315	+0.16(+0.79%)
Mar 21, 2011	20.13	20.16	20.10	20.16	105,582	+0.34(+1.73%)
Mar 18, 2011	20.29	20.29	19.78	19.82	304,086	-0.30(-1.51%)
Mar 17, 2011	20.10	20.15	19.92	20.12	136,555	+0.25(+1.28%)
Mar 16, 2011	19.54	19.95	19.54	19.87	218,103	+0.09(+0.45%)
Mar 15, 2011	19.79	20.08	19.73	19.78	209,231	-0.30(-1.48%)
Mar 14, 2011	20.15	20.22	19.97	20.08	91,998	-0.04(-0.22%)
Mar 11, 2011	20.01	20.20	19.98	20.12	117,733	-0.03(-0.16%)
Mar 10, 2011	20.39	20.39	20.10	20.15	193,303	-0.27(-1.33%)
Mar 09, 2011	20.44	20.58	20.35	20.43	151,994	-0.13(-0.62%)
Mar 08, 2011	20.56	20.58	20.48	20.55	181,471	-0.03(-0.12%)
Mar 07, 2011	20.83	20.90	20.47	20.58	162,954	-0.10(-0.49%)
Mar 04, 2011	20.72	20.75	20.63	20.68	167,169	-0.08(-0.37%)
Mar 03, 2011	20.74	20.79	20.64	20.75	157,924	+0.03(+0.12%)
Mar 02, 2011	20.72	20.95	20.68	20.73	250,795	-0.04(-0.21%)
Mar 01, 2011	20.87	20.97	20.69	20.77	387,078	-0.07(-0.33%)
Feb 28, 2011	20.86	20.95	20.76	20.84	187,648	-0.02(-0.09%)
Feb 25, 2011	20.74	20.95	20.65	20.86	135,743	+0.23(+1.14%)
Feb 24, 2011	20.74	20.91	20.61	20.63	134,937	-0.15(-0.73%)
Feb 23, 2011	20.93	21.04	20.62	20.78	182,113	-0.15(-0.70%)
Feb 22, 2011	21.24	21.24	20.79	20.93	213,191	-0.27(-1.26%)
Feb 18, 2011	21.17	21.24	21.12	21.19	146,935	+0.06(+0.30%)
Feb 17, 2011	21.07	21.16	21.07	21.13	112,981	+0.01(+0.03%)
Feb 16, 2011	21.16	21.18	21.04	21.12	100,658	-0.03(-0.15%)
Feb 15, 2011	20.98	21.15	20.88	21.15	271,952	+0.12(+0.57%)
Feb 14, 2011	20.86	21.04	20.77	21.03	220,929	+0.20(+0.97%)
Feb 11, 2011	20.61	20.86	20.61	20.83	267,724	+0.17(+0.83%)
Feb 10, 2011	20.72	20.79	20.62	20.66	103,522	-0.06(-0.31%)
Feb 09, 2011	20.58	20.86	20.58	20.72	84,132	-0.04(-0.21%)
Feb 08, 2011	20.79	20.86	20.67	20.77	171,033	-0.01(-0.03%)
Feb 07, 2011	20.91	20.93	20.77	20.77	186,495	-0.09(-0.43%)
Feb 04, 2011	20.86	20.98	20.80	20.86	187,834	-0.15(-0.72%)
Feb 03, 2011	21.05	21.05	20.80	21.01	118,836	+0.04(+0.21%)
Feb 02, 2011	20.88	21.04	20.77	20.97	196,642	+0.12(+0.58%)

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